rename Recast.Recast -> RcUtils

src/DotRecast.Recast.Demo/Draw/NavMeshRenderer.cs

@@ -84,7 +84,7 @@ public class NavMeshRenderer
             int gw = 0, gh = 0;
             RcVec3f bmin = geom.GetMeshBoundsMin();
             RcVec3f bmax = geom.GetMeshBoundsMax();
-            Recast.CalcGridSize(bmin, bmax, settings.cellSize, out gw, out gh);
+            RcUtils.CalcGridSize(bmin, bmax, settings.cellSize, out gw, out gh);
             int tw = (gw + settings.tileSize - 1) / settings.tileSize;
             int th = (gh + settings.tileSize - 1) / settings.tileSize;
             float s = settings.tileSize * settings.cellSize;

src/DotRecast.Recast.Demo/RecastDemo.cs

@@ -451,7 +451,7 @@ public class RecastDemo : IRecastDemoChannel
             var settings = _sample.GetSettings();
             RcVec3f bmin = _sample.GetInputGeom().GetMeshBoundsMin();
             RcVec3f bmax = _sample.GetInputGeom().GetMeshBoundsMax();
-            Recast.CalcGridSize(bmin, bmax, settings.cellSize, out var gw, out var gh);
+            RcUtils.CalcGridSize(bmin, bmax, settings.cellSize, out var gw, out var gh);
             settingsView.SetVoxels(gw, gh);
             settingsView.SetTiles(tileNavMeshBuilder.GetTiles(_sample.GetInputGeom(), settings.cellSize, settings.tileSize));
             settingsView.SetMaxTiles(tileNavMeshBuilder.GetMaxTiles(_sample.GetInputGeom(), settings.cellSize, settings.tileSize));

src/DotRecast.Recast.Demo/Tools/ObstacleTool.cs

@@ -11,6 +11,8 @@ public class ObstacleTool : IRcTool
 {
     private static readonly ILogger Logger = Log.ForContext<ObstacleTool>();
     private readonly ObstacleToolImpl _impl;
+    private bool _hitPosSet;
+    private RcVec3f _hitPos;
 
     public ObstacleTool()
     {
@@ -32,7 +34,7 @@ public class ObstacleTool : IRcTool
         {
             //m_sample->clearAllTempObstacles();
         }
-		
+
         ImGui.Separator();
 
         ImGui.Text("Click LMB to create an obstacle.");
@@ -41,6 +43,17 @@ public class ObstacleTool : IRcTool
 
     public void HandleClick(RcVec3f s, RcVec3f p, bool shift)
     {
+        _hitPosSet = true;
+        _hitPos = p;
+
+        if (shift)
+        {
+            _impl.RemoveTempObstacle(s, p);
+        }
+        else
+        {
+            _impl.AddTempObstacle(_hitPos);
+        }
     }
 
     public void HandleRender(NavMeshRenderer renderer)

src/DotRecast.Recast.DemoTool/Builder/TileNavMeshBuilder.cs

@@ -128,7 +128,7 @@ namespace DotRecast.Recast.DemoTool.Builder
 
         private int GetTileBits(DemoInputGeomProvider geom, float cellSize, int tileSize)
         {
-            Recast.CalcGridSize(geom.GetMeshBoundsMin(), geom.GetMeshBoundsMax(), cellSize, out var gw, out var gh);
+            RcUtils.CalcGridSize(geom.GetMeshBoundsMin(), geom.GetMeshBoundsMax(), cellSize, out var gw, out var gh);
             int tw = (gw + tileSize - 1) / tileSize;
             int th = (gh + tileSize - 1) / tileSize;
             int tileBits = Math.Min(DetourCommon.Ilog2(DetourCommon.NextPow2(tw * th)), 14);
@@ -137,7 +137,7 @@ namespace DotRecast.Recast.DemoTool.Builder
 
         public int[] GetTiles(DemoInputGeomProvider geom, float cellSize, int tileSize)
         {
-            Recast.CalcGridSize(geom.GetMeshBoundsMin(), geom.GetMeshBoundsMax(), cellSize, out var gw, out var gh);
+            RcUtils.CalcGridSize(geom.GetMeshBoundsMin(), geom.GetMeshBoundsMax(), cellSize, out var gw, out var gh);
             int tw = (gw + tileSize - 1) / tileSize;
             int th = (gh + tileSize - 1) / tileSize;
             return new int[] { tw, th };

src/DotRecast.Recast.DemoTool/Tools/ObstacleToolImpl.cs

@@ -1,4 +1,7 @@
-namespace DotRecast.Recast.DemoTool.Tools
+using DotRecast.Core;
+using DotRecast.Detour.TileCache;
+
+namespace DotRecast.Recast.DemoTool.Tools
 {
     public class ObstacleToolImpl : ISampleTool
     {
@@ -18,5 +21,16 @@
         {
             return _sample;
         }
+
+        public void RemoveTempObstacle(RcVec3f sp, RcVec3f sq)
+        {
+            // ..
+        }
+
+        public void AddTempObstacle(RcVec3f pos)
+        {
+            //p[1] -= 0.5f;
+            //m_tileCache->addObstacle(p, 1.0f, 2.0f, 0);
+        }
     }
 }

src/DotRecast.Recast.DemoTool/Tools/TileToolImpl.cs

@@ -36,7 +36,7 @@ namespace DotRecast.Recast.DemoTool.Tools
             var bmin = geom.GetMeshBoundsMin();
             var bmax = geom.GetMeshBoundsMax();
             int gw = 0, gh = 0;
-            Recast.CalcGridSize(bmin, bmax, settings.cellSize, out gw, out gh);
+            RcUtils.CalcGridSize(bmin, bmax, settings.cellSize, out gw, out gh);
 
             int ts = settings.tileSize;
             int tw = (gw + ts - 1) / ts;
@@ -64,7 +64,7 @@ namespace DotRecast.Recast.DemoTool.Tools
             var bmin = geom.GetMeshBoundsMin();
             var bmax = geom.GetMeshBoundsMax();
             int gw = 0, gh = 0;
-            Recast.CalcGridSize(bmin, bmax, settings.cellSize, out gw, out gh);
+            RcUtils.CalcGridSize(bmin, bmax, settings.cellSize, out gw, out gh);
 
             int ts = settings.tileSize;
             int tw = (gw + ts - 1) / ts;

src/DotRecast.Recast/RcConstants.cs

@@ -22,9 +22,20 @@ namespace DotRecast.Recast
 {
     public static class RcConstants
     {
+        /// Represents the null area.
+        /// When a data element is given this value it is considered to no longer be 
+        /// assigned to a usable area.  (E.g. It is un-walkable.)
         public const int RC_NULL_AREA = 0;
-        public const int RC_NOT_CONNECTED = 0x3f;
+        
+        /// The default area id used to indicate a walkable polygon. 
+        /// This is also the maximum allowed area id, and the only non-null area id 
+        /// recognized by some steps in the build process. 
+        public const int RC_WALKABLE_AREA = 63;
 
+        /// The value returned by #rcGetCon if the specified direction is not connected
+        /// to another span. (Has no neighbor.)
+        public const int RC_NOT_CONNECTED = 0x3f;
+        
         /// Defines the number of bits allocated to rcSpan::smin and rcSpan::smax.
         public const int SPAN_HEIGHT_BITS = 20;
 

src/DotRecast.Recast/RcUtils.cs

@@ -23,9 +23,9 @@ using DotRecast.Core;
 
 namespace DotRecast.Recast
 {
-    using static RcConstants;
+    using static DotRecast.Recast.RcConstants;
-
+    
-    public static class Recast
+    public static class RcUtils
     {
         public static void CalcBounds(float[] verts, int nv, float[] bmin, float[] bmax)
         {

src/DotRecast.Recast/RecastBuilder.cs

@@ -45,7 +45,7 @@ namespace DotRecast.Recast
         {
             RcVec3f bmin = geom.GetMeshBoundsMin();
             RcVec3f bmax = geom.GetMeshBoundsMax();
-            Recast.CalcTileCount(bmin, bmax, cfg.Cs, cfg.TileSizeX, cfg.TileSizeZ, out var tw, out var th);
+            RcUtils.CalcTileCount(bmin, bmax, cfg.Cs, cfg.TileSizeX, cfg.TileSizeZ, out var tw, out var th);
             List<RecastBuilderResult> results = new List<RecastBuilderResult>();
             if (null != taskFactory)
             {
@@ -64,7 +64,7 @@ namespace DotRecast.Recast
         {
             RcVec3f bmin = geom.GetMeshBoundsMin();
             RcVec3f bmax = geom.GetMeshBoundsMax();
-            Recast.CalcTileCount(bmin, bmax, cfg.Cs, cfg.TileSizeX, cfg.TileSizeZ, out var tw, out var th);
+            RcUtils.CalcTileCount(bmin, bmax, cfg.Cs, cfg.TileSizeX, cfg.TileSizeZ, out var tw, out var th);
             Task task;
             if (1 < threads)
             {

src/DotRecast.Recast/RecastBuilderConfig.cs

@@ -92,7 +92,7 @@ namespace DotRecast.Recast
             }
             else
             {
-                Recast.CalcGridSize(this.bmin, this.bmax, cfg.Cs, out width, out height);
+                RcUtils.CalcGridSize(this.bmin, this.bmax, cfg.Cs, out width, out height);
             }
         }
     }

src/DotRecast.Recast/RecastVoxelization.cs

@@ -57,7 +57,7 @@ namespace DotRecast.Recast
                     {
                         int[] tris = node.tris;
                         int ntris = tris.Length / 3;
-                        int[] m_triareas = Recast.MarkWalkableTriangles(ctx, cfg.WalkableSlopeAngle, verts, tris, ntris, cfg.WalkableAreaMod);
+                        int[] m_triareas = RcUtils.MarkWalkableTriangles(ctx, cfg.WalkableSlopeAngle, verts, tris, ntris, cfg.WalkableAreaMod);
                         RecastRasterization.RasterizeTriangles(solid, verts, tris, m_triareas, ntris, cfg.WalkableClimb, ctx);
                     }
                 }
@@ -65,7 +65,7 @@ namespace DotRecast.Recast
                 {
                     int[] tris = geom.GetTris();
                     int ntris = tris.Length / 3;
-                    int[] m_triareas = Recast.MarkWalkableTriangles(ctx, cfg.WalkableSlopeAngle, verts, tris, ntris, cfg.WalkableAreaMod);
+                    int[] m_triareas = RcUtils.MarkWalkableTriangles(ctx, cfg.WalkableSlopeAngle, verts, tris, ntris, cfg.WalkableAreaMod);
                     RecastRasterization.RasterizeTriangles(solid, verts, tris, m_triareas, ntris, cfg.WalkableClimb, ctx);
                 }
             }

test/DotRecast.Detour.Test/Io/MeshSetReaderWriterTest.cs

@@ -69,7 +69,7 @@ public class MeshSetReaderWriterTest
 
         RcVec3f bmin = geom.GetMeshBoundsMin();
         RcVec3f bmax = geom.GetMeshBoundsMax();
-        Recast.Recast.CalcTileCount(bmin, bmax, m_cellSize, m_tileSize, m_tileSize, out var tw, out var th);
+        Recast.RcUtils.CalcTileCount(bmin, bmax, m_cellSize, m_tileSize, m_tileSize, out var tw, out var th);
         for (int y = 0; y < th; ++y)
         {
             for (int x = 0; x < tw; ++x)

test/DotRecast.Detour.TileCache.Test/AbstractTileCacheTest.cs

@@ -53,7 +53,7 @@ public class AbstractTileCacheTest
     public DtTileCache GetTileCache(IInputGeomProvider geom, RcByteOrder order, bool cCompatibility)
     {
         DtTileCacheParams option = new DtTileCacheParams();
-        Recast.Recast.CalcTileCount(geom.GetMeshBoundsMin(), geom.GetMeshBoundsMax(), m_cellSize, m_tileSize, m_tileSize, out var tw, out var th);
+        Recast.RcUtils.CalcTileCount(geom.GetMeshBoundsMin(), geom.GetMeshBoundsMax(), m_cellSize, m_tileSize, m_tileSize, out var tw, out var th);
         option.ch = m_cellHeight;
         option.cs = m_cellSize;
         option.orig = geom.GetMeshBoundsMin();

test/DotRecast.Detour.TileCache.Test/TestTileLayerBuilder.cs

@@ -57,7 +57,7 @@ public class TestTileLayerBuilder : AbstractTileLayersBuilder
             true, m_detailSampleDist, m_detailSampleMaxError, SampleAreaModifications.SAMPLE_AREAMOD_GROUND);
         RcVec3f bmin = geom.GetMeshBoundsMin();
         RcVec3f bmax = geom.GetMeshBoundsMax();
-        Recast.Recast.CalcTileCount(bmin, bmax, m_cellSize, m_tileSize, m_tileSize, out tw, out th);
+        Recast.RcUtils.CalcTileCount(bmin, bmax, m_cellSize, m_tileSize, m_tileSize, out tw, out th);
     }
 
     public List<byte[]> Build(RcByteOrder order, bool cCompatibility, int threads)

test/DotRecast.Recast.Test/RecastSoloMeshTest.cs

@@ -131,7 +131,7 @@ public class RecastSoloMeshTest
             // Find triangles which are walkable based on their slope and rasterize them.
             // If your input data is multiple meshes, you can transform them here, calculate
             // the are type for each of the meshes and rasterize them.
-            int[] m_triareas = Recast.MarkWalkableTriangles(m_ctx, cfg.WalkableSlopeAngle, verts, tris, ntris, cfg.WalkableAreaMod);
+            int[] m_triareas = RcUtils.MarkWalkableTriangles(m_ctx, cfg.WalkableSlopeAngle, verts, tris, ntris, cfg.WalkableAreaMod);
             RecastRasterization.RasterizeTriangles(m_solid, verts, tris, m_triareas, ntris, cfg.WalkableClimb, m_ctx);
 
         }

test/DotRecast.Recast.Test/RecastTest.cs

@@ -39,18 +39,18 @@ public class RecastTest
         RcTelemetry ctx = new RcTelemetry();
         {
             int[] areas = { 42 };
-            Recast.ClearUnwalkableTriangles(ctx, walkableSlopeAngle, verts, nv, unwalkable_tri, nt, areas);
+            RcUtils.ClearUnwalkableTriangles(ctx, walkableSlopeAngle, verts, nv, unwalkable_tri, nt, areas);
             Assert.That(areas[0], Is.EqualTo(RC_NULL_AREA), "Sets area ID of unwalkable triangle to RC_NULL_AREA");
         }
         {
             int[] areas = { 42 };
-            Recast.ClearUnwalkableTriangles(ctx, walkableSlopeAngle, verts, nv, walkable_tri, nt, areas);
+            RcUtils.ClearUnwalkableTriangles(ctx, walkableSlopeAngle, verts, nv, walkable_tri, nt, areas);
             Assert.That(areas[0], Is.EqualTo(42), "Does not modify walkable triangle aread ID's");
         }
         {
             int[] areas = { 42 };
             walkableSlopeAngle = 0;
-            Recast.ClearUnwalkableTriangles(ctx, walkableSlopeAngle, verts, nv, walkable_tri, nt, areas);
+            RcUtils.ClearUnwalkableTriangles(ctx, walkableSlopeAngle, verts, nv, walkable_tri, nt, areas);
             Assert.That(areas[0], Is.EqualTo(RC_NULL_AREA), "Slopes equal to the max slope are considered unwalkable.");
         }
     }